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48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package replication
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import (
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"path/filepath"
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"strings"
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"github.com/chrislusf/seaweedfs/weed/pb/filer_pb"
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"github.com/chrislusf/seaweedfs/weed/replication/sink"
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"github.com/chrislusf/seaweedfs/weed/replication/sink/filersink"
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"github.com/chrislusf/seaweedfs/weed/replication/source"
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"github.com/chrislusf/seaweedfs/weed/util"
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)
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type Replicator struct {
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sink sink.ReplicationSink
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source *source.FilerSource
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}
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func NewReplicator(sourceConfig, sinkConfig util.Configuration) *Replicator {
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sink := &filersink.FilerSink{}
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sink.Initialize(sinkConfig)
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source := &source.FilerSource{}
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source.Initialize(sourceConfig)
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sink.SetSourceFiler(source)
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return &Replicator{
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sink: sink,
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source: source,
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}
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}
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func (r *Replicator) Replicate(key string, message *filer_pb.EventNotification) error {
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if !strings.HasPrefix(key, r.source.Dir) {
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return nil
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}
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key = filepath.Join(r.sink.GetSinkToDirectory(), key[len(r.source.Dir):])
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if message.OldEntry != nil && message.NewEntry == nil {
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return r.sink.DeleteEntry(key, message.OldEntry, message.DeleteChunks)
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}
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if message.OldEntry == nil && message.NewEntry != nil {
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return r.sink.CreateEntry(key, message.NewEntry)
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}
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return r.sink.UpdateEntry(key, message.OldEntry, message.NewEntry, message.DeleteChunks)
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}
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